Find the difference of the areas of a sector of angle 120° and its corresponding major sector of a circle of radius 21 cm. Find the difference of the areas of a sector of angle 120° and its corresponding major sector of a circle of radius 21 cm. November 25, 2020 Category: Chapter 12 - Areas Related to Circles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related